Alaskan Way Viaduct Replacement Tunnel (17/111)

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Seattle, Washington: The upper deck of the SR 99 Tunnel under construction. The Alaskan Way Viaduct Replacement Program’s road decks have been completed and the tunnel’s operational and safety systems are currently being installed. The bored road tunnel is replacing the Alaskan Way Viaduct and will carry State Route 99 under downtown Seattle from the SODO neighborhood to South Lake Union. After suffering delays in the tunneling process, the two mile long waterfront tunnel is scheduled to open in late 2018.
Seattle, Washington: The upper deck of the SR 99 Tunnel under construction. The Alaskan Way Viaduct Replacement Program’s road decks have been completed and the tunnel’s operational and safety systems are currently being installed. The bored road tunnel is replacing the Alaskan Way Viaduct and will carry State Route 99 under downtown Seattle from the SODO neighborhood to South Lake Union. After suffering delays in the tunneling process, the two mile long waterfront tunnel is...
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